The 14RESA unit we have has an integrated battery charger. We just need to wire a 15 A circuit from our backup panel to the terminals to keep the starter battery charged. I confirmed that the warranty is 18 months or 1000 hours of operation for offgrid use.
August *August Goers* Luminalt Energy Corporation o: 415.641.4000 m: 415.559.1525 www.luminalt.com On Tue, Jul 11, 2017 at 8:47 AM, Dana <[email protected]> wrote: > This gen has a significant phantom load, & there is no way to avoid it. > I have installed several & had to provide either a 10 watt PV module or a > 120-12 volt battery maintainer. > > ------------------------------------------------------------ > ---------------- > Dana Orzel Great Solar Works, Inc. > 208.721.7003 [email protected] > Idaho Contractor - # 028765 Idaho PV # 028374 > NABCEP # 051112-136 www.solarwork.biz > "Responsible Technologies for Responsible People since 1988" > Please consider the environment before printing this email. > > > -----Original Message----- > From: RE-wrenches [mailto:[email protected]] On > Behalf Of Dave Angelini Offgrid Solar > Sent: Tuesday, July 11, 2017 8:36 AM > To: RE-wrenches <[email protected]> > Subject: Re: [RE-wrenches] Generator choice for Sunny Island > > I remember most having to run a small soar panel to keep the start battery > from draining. I too hope that is fixed. It looked to me that the offgrid > warranty is 1/2 of grid-tie. --Dave > > What is the standby current draw on this unit. In the past, that has > > been an issue with Kohler. > > > > At 06:01 PM 7/10/2017, you wrote: > >>All - update for those of you interested, we are starting the portal > >>installation tomorrow (with a Sunny Island for better or worse) and > >>ended up going with a Kohler 14RESA propane generator. > >>This should be 2-wire start, ok at 100% duty cycle 120 v, and CARB > >>compliant. If all goes as planned we'll be up and running next week > >>and I'll keep you posted. > >> > >><http://www.kohlergenerators.com/home-generators/products/14RESA>http: > >>//www.kohlergenerators.com/home-generators/products/14RESA > >> > >>-August > >> > >>August Goers > >> > >>Luminalt Energy Corporation > >> > >>o: 415.641.4000 > >> > >>m: 415.559.1525 > >> > >><http://www.luminalt.com>www.luminalt.com > >> > >> > >> > >>On Fri, Jun 23, 2017 at 3:46 PM, Dave Angelini Offgrid Solar > >><<mailto:[email protected]>[email protected]> wrote: > >>I did a few projects for Yosemite. Then I used the EU6500i which is > >>now the EU7000i. Never had anyone ask. and that you will find is the > issue. > >> In > >>my county of Mariposa they will issue a certificate of occupancy on a > >>house running a generator for final approval. Pretty lax about it all. > >>If I go across the county line into Tuolumne everything is hard to do. > >>Geeze an offgrid generator...Use Honda or design so that you don't > >>need one :) > >> > >>Dave Angelini / Offgrid Solar > >> > >> > >> > Hi Gary and All â€â€œ > >> > > >> > > >> > > >> > We looked into the EcoGen unit, but the 6kW is discontinued and the > >> 15kW > >> > EcoGen is not rated to be sold in California. Bummer. > >> > > >> > > >> > > >> > Speaking of California, do any of you know about the CARB > >> > compliance issues on selecting a generator for an offgrid renewable > >> > project? We had one generator rep tell us that only a Tier 4F CARB > >> > generators are legal > >> for > >> > use > >> > with offgrid in California, but I can’t ¢t > >> find anything online to clarify. > >> > Since this project is in the National Parks, we need to make sure > >> > we don’t > >> > > have any compliance issues. If anyone knows anything about what > >> > > kind > >> of > >> > CARB compliance is or isn’t required, I, I’d love to hear > >> > about > >> it. > >> > > > >> > > >> > > >> > Cheers! > >> > > >> > > >> > > >> > August > >> > > >> > > >> > > >> > *From:* RE-wrenches > >> > [mailto:[email protected]] > >> *On > >> > Behalf Of *Gary Willett > >> > *Sent:* Friday, June 16, 2017 7:58 AM > >> > *To:* > >> <mailto:[email protected]>[email protected] > >> es.org > >> > *Subject:* Re: [RE-wrenches] Generator choice for Sunny Island > >> > > >> > > >> > > >> > AUGUST: > >> > > >> > The Generac EcoGen is dual-fuel capable (NG or LP), comes in 6kW > >> > and > >> 15kW > >> > versions, is 2-wire start, can be field-configured for either 120V > >> > or 240V. > >> > It's not "portable" as it does not have wheels. It's transportable > >> though > >> > based on its footprint and weight. Also, it was specifically > >> > designed > >> and > >> > warranteed for off-grid applications. > >> > > >> > Regards, > >> > > >> > Gary Willett PE > >> > Icarus Engineering LLC > >> > > >> > On 6/16/17 9:36 AM, Kevin Pegg wrote: > >> > > >> > You could use a 2 -> 3 wire converter such as the Atkinson GSCM > >> > module that will take the 2 wire output from the SI and convert to > >> > 3-wire to > >> control a > >> > gasoline generator such as the Honda EU7000 series, or Cummins/Onan > >> makes > >> > a > >> > good line of gasoline generators. It may be very hard to find a gas > >> > generator that has 2 wire native remote start. That is more common > >> with > >> > larger propane or diesel generators. > >> > > >> > > >> > > >> > Kevin > >> > > >> > > >> > > >> > *From:* RE-wrenches > >> [mailto:<mailto:[email protected]>re-wrenches > >> [email protected] > >> > > >> <<mailto:[email protected]>re-wrenches-bounce > >> [email protected]>] > >> *On Behalf Of *August Goers > >> > *Sent:* June-16-17 7:22 AM > >> > *To:* RE-wrenches > >> <<mailto:[email protected]>[email protected] > >> hes.org> > >> > > >> <<mailto:[email protected]>[email protected] > >> hes.org> > >> > *Subject:* Re: [RE-wrenches] Generator choice for Sunny Island > >> > > >> > > >> > > >> > Thanks for the good feedback folks! > >> > > >> > > >> > > >> > We are using a Sunny Island setup because we had access to a free > >> Sunny > >> > Island and Sunny Boy being scrapped from another site. Otherwise I > >> > was definitely planning on going with a Outback DC coupled system. > >> > > >> > > >> > > >> > I think the trick here is trying to find a portable generator that > >> > has > >> a > >> > two-wire start option. I’m looking > >> throurough the usual genny suppliers and > >> > nothing has presented itself so far. Anyway, > >> I’™ll keep looking and will > >> > check out Chris’ suggestion on the nexus > >> controtroller and Generac propane > >> > unit as well. > >> > > >> > > >> > > >> > FYI, here is a link to what the portal is > >> like. Itâ€ââ„¢s going in National > >> > Park > >> > land by the Golden Gate Bridge so I hope we can pull it together! > >> > <http://www.sharedstudios.com/>http://www.sharedstudios.com/ > >> > > >> > > >> > > >> > August > >> > > >> > Luminalt > >> > > >> > > >> > > >> > > >> > > >> > *From:* RE-wrenches > >> > [mailto:[email protected]] > >> *On > >> > Behalf Of *Chris Mason > >> > *Sent:* Friday, June 16, 2017 4:56 AM > >> > *To:* RE-wrenches > >> <<mailto:[email protected]>[email protected] > >> hes.org> > >> > *Subject:* Re: [RE-wrenches] Generator choice for Sunny Island > >> > > >> > > >> > > >> > To my limited mind, the whole 120V sunny island setup is a disaster. > >> Why > >> > not install a DC coupled 8KW Outback Radian and solve all your > >> problems. > >> > USe any 240V generator, although finding a 2 wire start gasoline > >> > unit > >> may > >> > be hard. I would use a Nexus controller generac propane generator > >> > with propane tank, all mounted on the container. I would never > >> > design > >> anything > >> > to use gasoline, it's too dangerous. > >> > > >> > > >> > > >> > On Fri, Jun 16, 2017 at 7:19 AM, Matthew > >> Sirum <<mailto:[email protected]>[email protected]> > >> > wrote: > >> > > >> > Greetings August, > >> > > >> > Great thoughts and comments from Brian! I would also suggest > >> speaking > >> > with the generator manufacturers' tech/engineering folks regarding > >> > the 120VAC configuration and to confirm 2-wire start set up once > >> > you have a brand and model or two in mind. Generator parts and > >> > service availability in the region of the project may also drive > >> > brand selection. If you need to maximize the inverter's battery > >> > charging capabilities (depending on battery system charging > >> > requirements) you may end up needing to look at generators in the > >> > 7.5 kW to 8.0 kW capacity range to allow for headroom in generator > output loading. > >> > > >> > Also; I am curious how you arrived at an AC coupled design for this > >> > project. I do not know any of the details or specific projects > >> > goals you are working with, but I would potentially consider a DC > >> > coupled system design... DC/DC charge controller(s) would keep > >> > the battery system charged (and any DC loads operable) even if the > >> > Sunny Island and/or Sunny Boy(s) have a failure or is taken > >> > offline. If most of the AC loads are 120VAC I would consider > >> > keeping the inverter AC output circuit 120VAC and install a > >> > dedicated transformer solely for the 240VAC load.... Or perhaps > consider a 120/240VAC inverter model. > >> > Depending on the overall situation a DC coupled system could be > >> > more resilient. The dedicated transformer for the 240VAC load > >> > could also potentially help make the system more robust. Also; I > >> > have spoken with a number of folks who have told me they wish the > >> > Sunny Island had more/better features for generator integration. > >> > I'd like to hear > >> more > >> > from those who have plenty of experience designing and installing > >> > systems with Sunny Islands and generators to learn what the current > >> > thoughts and issues are. > >> > > >> > I hope some of these thoughts may be helpful. > >> > > >> > Best regards, > >> > > >> > ----MATT > >> > > >> > Matthew Sirum > >> > P.O. Box 1227 > >> > Greenfield, MA 01302-1227 USA > >> > phone: +1.413.773.0611 > >> > email: <mailto:[email protected]>[email protected] > >> > > >> > > >> > -------- Original Message Below -------- > >> > > >> > [RE-wrenches] Generator choice for Sunny Island August Goers august > >> > at <http://luminalt.com>luminalt.com Thu Jun 15 09:02:41 PDT 2017 > >> > > >> > Hi Wrenches, especially those of you who work on off-grid projects, > >> > > >> > We have an upcoming off-grid project where we will be powering a > >> storage > >> > container with electronics in it. The loads are mostly 120 volt but > >> there > >> > is a 240 volt heat pump that might occasionally run. We’re AC > >> coupling > >> > > the > >> > Sunny Island with a Sunny Boy PV inverter. So, weâ€â„„¢ll be > >> installing a > >> > Outback PSX-240 autoformer to bump the Sunny > >> Islandâ€ââ„¢s output from 120 to > >> > 240 volt. > >> > > >> > We need to select a generator for backup. We need a two-wire > >> > electric start (in order to be controlled by the Sunny Island) and > >> > preferably a > >> generator > >> > that is okay just running 120 volt loads since the Sunny Islands > >> > input > >> is > >> > only 120 volt. Something in the 3 kVA -7 kVA range should be fine. > >> > > >> > Does anyone have experience or ideas about what kind of two-wire > >> > start generator we might select? > >> > > >> > Thanks, > >> > > >> > August > >> > > >> > Luminalt > >> > _______________________________________________ > >> > List sponsored by Redwood Alliance > >> > > >> > List Address: > >> <mailto:[email protected]>[email protected] > >> es.org > >> > > >> > Change listserver email address & settings: > >> > > >> <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> >http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> > > >> > List-Archive: > >> > > >> <http://www.mail-archive.com/[email protected]/mailli > >> st.html>http://www.mail-archive.com/[email protected] > >> /maillist.html > >> > > >> > List rules & etiquette: > >> > <http://www.re-wrenches.org/etiquette.htm>www.re-wrenches.org/etiqu > >> > ette.htm > >> > > >> > Check out or update participant bios: > >> > <http://www.members.re-wrenches.org>www.members.re-wrenches.org > >> > > >> > > >> > > >> > > >> > > >> > -- > >> > > >> > Chris Mason > >> > > >> > NABCEP Certified Solar PV Installerâ„¢ > >> > > >> > Solar Design Engineer > >> > > >> > Generac Generators Industrial technician > >> > > >> > > >> > > >> > <http://www.cometsolar.com>www.cometsolar.com > >> <http://www.cometenergysystems.com> > >> > > >> > <tel:264.235.5670>264.235.5670 > >> > > >> > <tel:869.662.5670>869.662.5670 > >> > > >> > Skype: netconcepts > >> > > >> > > >> > > >> > > >> > _______________________________________________ > >> > > >> > List sponsored by Redwood Alliance > >> > > >> > > >> > > >> > List Address: > >> <mailto:[email protected]>[email protected] > >> es.org > >> > > >> > > >> > > >> > Change listserver email address & settings: > >> > > >> > > >> <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> >http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> > > >> 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